JP7434195B2 - 液晶表示装置 - Google Patents
液晶表示装置 Download PDFInfo
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- JP7434195B2 JP7434195B2 JP2021012711A JP2021012711A JP7434195B2 JP 7434195 B2 JP7434195 B2 JP 7434195B2 JP 2021012711 A JP2021012711 A JP 2021012711A JP 2021012711 A JP2021012711 A JP 2021012711A JP 7434195 B2 JP7434195 B2 JP 7434195B2
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- 239000004973 liquid crystal related substance Substances 0.000 title claims description 97
- 239000010409 thin film Substances 0.000 claims description 59
- 239000000758 substrate Substances 0.000 claims description 31
- 239000003086 colorant Substances 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 description 30
- 239000011159 matrix material Substances 0.000 description 23
- 230000000052 comparative effect Effects 0.000 description 16
- 238000002834 transmittance Methods 0.000 description 9
- 230000005684 electric field Effects 0.000 description 7
- 239000003990 capacitor Substances 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000012447 hatching Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
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- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
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- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
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- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
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- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
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- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
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- G02F1/136227—Through-hole connection of the pixel electrode to the active element through an insulation layer
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- G—PHYSICS
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- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
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- G02F1/136286—Wiring, e.g. gate line, drain line
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/1255—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs integrated with passive devices, e.g. auxiliary capacitors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
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- G—PHYSICS
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- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
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- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
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Description
Claims (20)
- 基板上に交差し、複数の画素の内の1つの画素を形成する複数のサブ画素(sub pixel)を定義する複数のゲートラインおよびデータラインと、
前記複数のサブ画素の内、左右に隣り合うサブ画素のいずれか一方のサブ画素の回路部内に共に備えられる2つの薄膜トランジスタであって前記一方のサブ画素は第1の色を発光し、他方のサブ画素は第2の色を発光する、2つの薄膜トランジスタとを含み、
前記2つの薄膜トランジスタのいずれか一方の薄膜トランジスタは、前記一方のサブ画素に電気的に接続され、他方の薄膜トランジスタは、他方のサブ画素に電気的に接続され、
前記複数の画素のそれぞれは第1のサブ画素と、第2のサブ画素とを含み、
前記第1のサブ画素は第1のサイズを有し、前記第2のサブ画素は前記第1のサイズよりも大きい第2のサイズを有し、
前記複数の画素における前記第1の色を発光する複数の前記サブ画素は前記第1のサブ画素と前記第2のサブ画素とを含む、液晶表示装置。 - 前記サブ画素に交互に配置される複数の共通電極および複数の画素電極とをさらに含む、請求項1に記載の液晶表示装置。
- 前記サブ画素に備えられるカラーフィルタと、
前記複数のサブ画素のうち列方向に隣り合う前記サブ画素の間の境界に備えられ、少なくとも1つのカラーフィルタで構成された遮光層とをさらに含む、請求項1に記載の液晶表示装置。 - 前記遮光層は、赤色カラーフィルタ上に青色カラーフィルタが積層されて構成された、請求項3に記載の液晶表示装置。
- 前記ゲートラインに対して並んだ方向に、前記サブ画素の列方向の下側と前記ゲートラインとの間に配置される共通ラインをさらに含む、請求項1に記載の液晶表示装置。
- 前記データラインの少なくとも一側に配置されて前記共通ラインに連結される第1遮蔽ラインと、
前記データラインの上部に配置される第2遮蔽ラインとをさらに含む、請求項5に記載の液晶表示装置。 - 前記いずれか一方のサブ画素の回路部内に配置され、第1コンタクトホールを通して前記いずれか一方のサブ画素の画素電極と電気的に接続される第1画素電極接続部と、第2コンタクトホールを通して前記他方のサブ画素の画素電極と電気的に接続される第2画素電極接続部とをさらに含む、請求項1に記載の液晶表示装置。
- 前記第2画素電極接続部は、前記左右に隣り合うサブ画素の間に配置されるデータラインを経て前記他方のサブ画素の画素電極と電気的に接続される、請求項7に記載の液晶表示装置。
- 前記複数のサブ画素は、赤色サブ画素と緑色サブ画素および青色サブ画素を含み、
それぞれの行の(row)サブ画素は、前記赤色サブ画素と前記緑色サブ画素および前記青色サブ画素が順に繰り返し配列され、
同じ列の(column)サブ画素は、同じ色の前記赤色サブ画素、前記緑色サブ画素、または前記青色サブ画素が繰り返し配列される、請求項1に記載の液晶表示装置。 - 前記複数のサブ画素は、赤色サブ画素、緑色サブ画素、青色サブ画素および白色サブ画素を含み、
それぞれの行のサブ画素は、前記赤色サブ画素、前記緑色サブ画素、前記青色サブ画素および前記白色サブ画素を順に繰り返し配列し、
同じ列のサブ画素は、異なる2つの色のサブ画素を繰り返し配列する、請求項1に記載の液晶表示装置。 - 前記同じ列のサブ画素は、前記赤色サブ画素と前記青色サブ画素を繰り返し配列するか、または前記緑色サブ画素と前記白色サブ画素を繰り返し配列する、請求項10に記載の液晶表示装置。
- 前記左右に隣り合う前記サブ画素および上下に隣り合う前記サブ画素は、列方向に互いに異なる長さを有する、請求項1に記載の液晶表示装置。
- 基板上に交差し、複数の画素の内の1つの画素を形成する複数のサブ画素(sub pixel)を定義する複数のゲートラインおよびデータラインと、
前記複数のサブ画素の内の左右に隣り合うサブ画素の内のいずれか一方のサブ画素の回路部内に共に備えられる2つの薄膜トランジスタであって、前記一方のサブ画素は第1の色を発光し、他方のサブ画素は第2の色を発光する、2つの薄膜トランジスタとを含み、
隣り合う前記サブ画素の内の他方のサブ画素の回路部は、薄膜トランジスタを備えず、
前記複数の画素のそれぞれは第1のサブ画素と第2のサブ画素とを含み、前記第1のサブ画素は第1のサイズを有し、前記第2のサブ画素は前記第1のサイズよりも大きい第2のサイズを有し、
前記複数の画素における前記第1の色を発光する前記複数のサブ画素は前記第1のサブ画素と前記第2のサブ画素とを含む、液晶表示装置。 - 前記サブ画素に備えられるカラーフィルタと、
前記複数のサブ画素のうち列方向に隣り合う前記サブ画素の間の境界に備えられ、少なくとも1つのカラーフィルタで構成された遮光層とをさらに含む、請求項13に記載の液晶表示装置。 - 前記ゲートラインに対して並んだ方向に、前記サブ画素の列方向の下側と前記ゲートラインとの間に配置される共通ラインをさらに含む、請求項14に記載の液晶表示装置。
- 前記2つの薄膜トランジスタのいずれか1方の薄膜トランジスタは、前記いずれか一方のサブ画素に電気的に接続され、他方の薄膜トランジスタは、前記他方のサブ画素に電気的に接続される、請求項13に記載の液晶表示装置。
- 前記いずれか一方のサブ画素の回路部内に配置され、第1コンタクトホールを通して前記いずれか一方のサブ画素の画素電極と電気的に接続される第1画素電極接続部と、第2コンタクトホールを通して前記他方のサブ画素の画素電極と電気的に接続される第2画素電極接続部とをさらに含む、請求項13に記載の液晶表示装置。
- 前記第2画素電極接続部は、前記左右に隣り合うサブ画素の間に配置されるデータラインを経て前記他方のサブ画素の画素電極と電気的に接続される、請求項17に記載の液晶表示装置。
- 前記左右に隣り合うサブ画素のうちの前記一方のサブ画素および前記他方のサブ画素は、互いに非対称的な、請求項13に記載の液晶表示装置。
- 前記左右に隣り合う前記サブ画素および上下に隣り合う前記サブ画素は、列方向に互いに異なる長さを有する、請求項13に記載の液晶表示装置。
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